January weather forecast
Copan, OK

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Weather in January

January, like December, is a frosty winter month in Copan, Oklahoma, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 44.4°F (6.9°C).

Temperature

The coldest time of the year is January, with temperatures averaging a high of 44.4°F (6.9°C) and a low of 28.8°F (-1.8°C).

Humidity

The months with the lowest humidity in Copan are January, October and November, with an average relative humidity of 68%.

Rainfall

In January, in Copan, the rain falls for 3.9 days. Throughout January, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 109.1 rainfall days, and 17.4" (442mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Copan, during January, snow falls for 1.3 days and regularly aggregates up to 0.08" (2mm) of snow. In Copan, Oklahoma, during the entire year, snow falls for 5.6 days and aggregates up to 0.87" (22mm) of snow.

Daylight

The average length of the day in January is 9h and 58min.
On the first day of January, sunrise is at 7:36 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:47 pm CST.

Sunshine

January and December, with an average of 5.8h of sunshine, are months with the least sunshine in Copan, Oklahoma.

UV index

The months with the lowest UV index in Copan are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What are the coldest months in Copan?

In Copan, January is the coldest month, with temperatures averaging a high of 44.4°F (6.9°C) and a low of 28.8°F (-1.8°C).

Is it cold in Copan during January?

The high-temperature, in January, in Copan, is 44.4°F (6.9°C), while the low-temperature averages to 28.8°F (-1.8°C).

What are the least humid months in Copan?

The months with the lowest humidity in Copan, Oklahoma, are January, October and November, with an average relative humidity of 68%.

What is the average humidity in January in Copan?

In January, the average relative humidity in Copan, Oklahoma, is 68%.

How many days does it rain in January in Copan?

In Copan, Oklahoma, in January, it is raining for 3.9 days, with typically 0.47" (12mm) of accumulated precipitation.

How many days does it snow in January in Copan?

In Copan, in January, snow falls for 1.3 days, with typically accumulated 0.08" (2mm) of snow.

How many hours of daylight does Copan have in January?

In January, the average day length in Copan is 9h and 58min.

What time are sunrise and sunset in January in Copan?

In January, on the first day of the month, sunrise is at 7:36 am and sunset at 5:17 pm. On the last day of the month, in Copan, Oklahoma, sunrise is at 7:26 am and sunset at 5:47 pm CST.

What is the month with the least sunshine in Copan?

The months with the least sunshine are January and December, with an average of 5.8h of sunshine.

How many hours of sunshine does Copan have in January?

In Copan, the average sunshine duration in January is 5.8h.

What is the month with the lowest UV index in Copan?

The months with the lowest UV index in Copan are January and December, with an average maximum UV index of 2.

How high is the UV index in January in Copan?

In January, the average daily maximum UV index in Copan is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
46.4°F 8°C
44.4°F 6.9°C
47.7°F 8.7°C
Average low temperature
32.2°F 0.1°C
28.8°F -1.8°C
31.8°F -0.1°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.11" 765mmHg
Average wind speed
9.4mph 15.1km/h
10.1mph 16.3km/h
10.4mph 16.7km/h
Average max. wind speed
10.3mph 16.6km/h
10.9mph 17.5km/h
11.2mph 18km/h
Average wind speed gusts
15.5mph 24.9km/h
16.5mph 26.6km/h
16.4mph 26.4km/h
Average humidity
69%
68%
69%
Average rainfall
0.43" 11mm
0.47" 12mm
0.55" 14mm
Average rainfall days
4.3
3.9
5
Average snowfall
0.31" 8mm
0.08" 2mm
0.35" 9mm
Average snowfall days
1.3
1.3
2.3
Average daylight
9h 4min
10h 0min
10h 5min
Average sunshine
5h 5min
5h 5min
6h 3min
Average sunshine days
25
25.7
20.3
Average UV index
2
2
3
Average cloud cover
34%
34%
39%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Copan, OK

Average temperature in January - Copan, OK
  • Average high temperature in January: 44.4°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in January: 28.8°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in January
Copan, OK

Average pressure in January - Copan, OK
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in January
Copan, OK

Average wind speed in January - Copan, OK
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is March (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

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Average humidity in January
Copan, OK

Average humidity in January - Copan, OK
  • Average humidity in January: 68%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).

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Average rainfall in January
Copan, OK

Average rainfall in January - Copan, OK
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.43").

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Average rainfall days in January
Copan, OK

Average rainfall days in January - Copan, OK
  • Average rainfall days in January: 3.9 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.9 days).

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Average snowfall in January
Copan, OK

Average snowfall in January - Copan, OK
  • Average snowfall in January: 0.08"

The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Copan, OK

Average snowfall days in January - Copan, OK
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Copan, OK

Average daylight in January / Average sunshine in January - Copan, OK
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

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Average sunshine days in January
Copan, OK

Average sunshine days in January - Copan, OK
  • Average sunshine days in January: 25.7 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (15 days).

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Average UV index in January
Copan, OK

Average UV index in January - Copan, OK
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in January
Copan, OK

Average cloud cover in January - Copan, OK
  • Average cloud cover in January: 34

The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 23).

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Average visibility in January
Copan, OK

Average visibility in January - Copan, OK
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Copan, Oklahoma, USA

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